CVE-2026-94381 MISP Privilege Escalation: Read-Only API Key User Can Regain Full Role via updateLoginTime

MISP has a security issue that can let a user gain more access than their API key is supposed to allow. A read-only API key should only let someone view information. However, after logging in with such a key, a specific MISP function could accidentally restore the user’s normal account permission...

CVE-2026-94381

CVE-2026-94381 affects MISP versions prior to 2.5.47 , where the updateLoginTime function could restore a user's full account permissions after authenticating with a read-only API key . This means a holder of a read-only key could escalate to write, delete, or even administrator privileges on a s...